Commercial hot waxes applied by automatic vehicle washes have been known to make the windshield difficult to clean.
Contamination of either the windshield or the wiper blades with foreign matter can reduce the effectiveness of the windshield wipers. Common sources of contamination are insects, tree sap, and hot wax treatments used by some commercial vehicle washes. If the blades are not wiping properly, clean both the window and the blades with a good cleaner or mild detergent, and rinse thoroughly with clean water.
CAUTION - Wiper blades
To prevent damage to the wiper blades, do not use gasoline, kerosene, paint thinner, or other solvents on or near them.
Cowl Side Trim Repair procedures
Replacement
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When prying with a flat-tip screwdriver, wrap it with
protective tape, and apply protective tape around the related parts, to
prevent damage. ...
Winter driving
Severe weather conditions in the winter result in greater wear and other problems.
To minimize the problems of winter driving, you should follow these suggestions: ...